Leaf chair



FIG. 1 is a perspective view of my design;

FIG. 2 is a front view;

FIG. 3 is a rear view;

FIG. 4 is a left side view;

FIG. 5 is a right side view;

FIG. 6 is a top side view; and,

FIG. 7 is a bottom side view. 

The ornamental design for a “leaf chair,” as shown and described. 